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- PDB-8p65: Cytochrome bc1 complex (Bos taurus) -

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Basic information

Entry
Database: PDB / ID: 8p65
TitleCytochrome bc1 complex (Bos taurus)
Components
  • (Cytochrome b-c1 complex subunit ...) x 9
  • Cytochrome b
  • Cytochrome c1, heme protein, mitochondrial
KeywordsMEMBRANE PROTEIN / Electron Transport Chain / Complex III / Respiratory Complex
Function / homology
Function and homology information


Respiratory electron transport / : / quinol-cytochrome-c reductase / ubiquinol-cytochrome-c reductase activity / mitochondrial electron transport, ubiquinol to cytochrome c / Mitochondrial protein degradation / : / ubiquinone binding / respiratory electron transport chain / mitochondrial membrane ...Respiratory electron transport / : / quinol-cytochrome-c reductase / ubiquinol-cytochrome-c reductase activity / mitochondrial electron transport, ubiquinol to cytochrome c / Mitochondrial protein degradation / : / ubiquinone binding / respiratory electron transport chain / mitochondrial membrane / metalloendopeptidase activity / 2 iron, 2 sulfur cluster binding / mitochondrial inner membrane / oxidoreductase activity / heme binding / mitochondrion / proteolysis / membrane / metal ion binding / plasma membrane
Similarity search - Function
Cytochrome b-c1 complex subunit 10 / Single alpha-helix domain superfamily / Ubiquinol-cytochrome C reductase complex, 6.4kD protein / Ubiquinol-cytochrome c reductase 8kDa, N-terminal / Ubiquinol-cytochrome c reductase 8 kDa, N-terminal / Globular protein, non-globular alpha/beta subunit / Cytochrome b-c1 complex, subunit 6 / Cytochrome b-c1 complex subunit 8 / UcrQ family / Cytochrome bc1 complex subunit Rieske, transmembrane domain superfamily ...Cytochrome b-c1 complex subunit 10 / Single alpha-helix domain superfamily / Ubiquinol-cytochrome C reductase complex, 6.4kD protein / Ubiquinol-cytochrome c reductase 8kDa, N-terminal / Ubiquinol-cytochrome c reductase 8 kDa, N-terminal / Globular protein, non-globular alpha/beta subunit / Cytochrome b-c1 complex, subunit 6 / Cytochrome b-c1 complex subunit 8 / UcrQ family / Cytochrome bc1 complex subunit Rieske, transmembrane domain superfamily / Cytochrome b-c1 complex subunit 7 / Cytochrome b-c1 complex subunit 7 superfamily / Ubiquinol-cytochrome C reductase complex 14kD subunit / Cytochrome b-c1 complex subunit 9 / Cytochrome b-c1 complex subunit 8 superfamily / Cytochrome b-c1 complex subunit 9 superfamily / Ubiquinol-cytochrome C reductase, UQCRX/QCR9 like / Cytochrome b-c1 complex subunit Rieske, transmembrane domain / Ubiquinol cytochrome reductase transmembrane region / Ubiquinol-cytochrome C reductase hinge domain / Ubiquinol-cytochrome C reductase hinge domain superfamily / Ubiquinol-cytochrome C reductase hinge protein / Cytochrome c1, transmembrane anchor, C-terminal / Cytochrome b / : / : / Ubiquinol-cytochrome c reductase, iron-sulphur subunit / Cytochrome c1 / Cytochrome C1 family / Cytochrome b/b6, C-terminal / Cytochrome b(C-terminal)/b6/petD / Cytochrome b/b6 C-terminal region profile. / Cytochrome b/b6, C-terminal domain superfamily / Cytochrome b/b6/petB / Peptidase M16, zinc-binding site / Insulinase family, zinc-binding region signature. / Rieske iron-sulphur protein, C-terminal / Cytochrome b/b6, N-terminal / Cytochrome b/b6-like domain superfamily / Cytochrome b/b6 N-terminal region profile. / Di-haem cytochrome, transmembrane / Rieske iron-sulphur protein / Peptidase M16, C-terminal / Peptidase M16 inactive domain / Peptidase M16, N-terminal / Insulinase (Peptidase family M16) / Metalloenzyme, LuxS/M16 peptidase-like / Rieske [2Fe-2S] iron-sulphur domain / Rieske [2Fe-2S] domain / Rieske [2Fe-2S] iron-sulfur domain profile. / Rieske [2Fe-2S] iron-sulphur domain superfamily / Cytochrome c family profile. / Cytochrome c-like domain / Cytochrome c-like domain superfamily
Similarity search - Domain/homology
FE2/S2 (INORGANIC) CLUSTER / HEME C / PROTOPORPHYRIN IX CONTAINING FE / Cytochrome c1, heme protein, mitochondrial / Cytochrome b-c1 complex subunit 6, mitochondrial / Cytochrome b-c1 complex subunit 7 / Cytochrome b-c1 complex subunit 9 / Cytochrome b / Cytochrome b-c1 complex subunit 10 / Cytochrome b-c1 complex subunit 8 ...FE2/S2 (INORGANIC) CLUSTER / HEME C / PROTOPORPHYRIN IX CONTAINING FE / Cytochrome c1, heme protein, mitochondrial / Cytochrome b-c1 complex subunit 6, mitochondrial / Cytochrome b-c1 complex subunit 7 / Cytochrome b-c1 complex subunit 9 / Cytochrome b / Cytochrome b-c1 complex subunit 10 / Cytochrome b-c1 complex subunit 8 / Cytochrome b-c1 complex subunit Rieske, mitochondrial / Cytochrome b-c1 complex subunit 2, mitochondrial / Cytochrome b-c1 complex subunit 1, mitochondrial
Similarity search - Component
Biological speciesBos taurus (cattle)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3 Å
AuthorsPhillips, B.P. / Barra, I.M.C.C. / Meier, T.K. / Rimle, L. / von Ballmoos, C.
Funding support Switzerland, United Kingdom, 2items
OrganizationGrant numberCountry
Swiss National Science Foundation176154 Switzerland
Wellcome TrustWT110068/Z/15/Z United Kingdom
CitationJournal: To Be Published
Title: Cytochrome bc1 complex (Bos taurus)
Authors: Phillips, B.P. / Barra, I.M.C.C. / Meier, T.K. / Rimle, L. / von Ballmoos, C.
History
DepositionMay 25, 2023Deposition site: PDBE / Processing site: PDBE
Revision 1.0Jul 3, 2024Provider: repository / Type: Initial release
Revision 1.1Jul 17, 2024Group: Data collection / Database references / Structure summary
Category: audit_author / citation_author ...audit_author / citation_author / em_admin / em_author_list
Item: _em_admin.last_update

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Cytochrome b-c1 complex subunit 1, mitochondrial
B: Cytochrome b-c1 complex subunit 2, mitochondrial
C: Cytochrome b
D: Cytochrome c1, heme protein, mitochondrial
E: Cytochrome b-c1 complex subunit Rieske, mitochondrial
F: Cytochrome b-c1 complex subunit 7
G: Cytochrome b-c1 complex subunit 8
H: Cytochrome b-c1 complex subunit 6, mitochondrial
I: Cytochrome b-c1 complex subunit 9
J: Cytochrome b-c1 complex subunit 9
K: Cytochrome b-c1 complex subunit 10
N: Cytochrome b-c1 complex subunit 1, mitochondrial
O: Cytochrome b-c1 complex subunit 2, mitochondrial
P: Cytochrome b
Q: Cytochrome c1, heme protein, mitochondrial
R: Cytochrome b-c1 complex subunit Rieske, mitochondrial
S: Cytochrome b-c1 complex subunit 7
T: Cytochrome b-c1 complex subunit 8
U: Cytochrome b-c1 complex subunit 6, mitochondrial
V: Cytochrome b-c1 complex subunit 9
W: Cytochrome b-c1 complex subunit 9
X: Cytochrome b-c1 complex subunit 10
hetero molecules


Theoretical massNumber of molelcules
Total (without water)481,11130
Polymers477,05722
Non-polymers4,0558
Water00
1


  • Idetical with deposited unit
  • defined by author&software
  • Evidence: electron microscopy, not applicable
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1

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Components

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Cytochrome b-c1 complex subunit ... , 9 types, 18 molecules ANBOERFSGTHUIVJWKX

#1: Protein Cytochrome b-c1 complex subunit 1, mitochondrial / Complex III subunit 1 / Core protein I / Ubiquinol-cytochrome-c reductase complex core protein 1


Mass: 49266.254 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Bos taurus (cattle) / Tissue: Heart / References: UniProt: P31800
#2: Protein Cytochrome b-c1 complex subunit 2, mitochondrial / Complex III subunit 2 / Core protein II / Ubiquinol-cytochrome-c reductase complex core protein 2


Mass: 46576.453 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Bos taurus (cattle) / Tissue: Heart / References: UniProt: P23004
#5: Protein Cytochrome b-c1 complex subunit Rieske, mitochondrial / Complex III subunit 5 / Cytochrome b-c1 complex subunit 5 / Rieske iron-sulfur protein / RISP / ...Complex III subunit 5 / Cytochrome b-c1 complex subunit 5 / Rieske iron-sulfur protein / RISP / Rieske protein UQCRFS1 / Ubiquinol-cytochrome c reductase iron-sulfur subunit


Mass: 21640.580 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Bos taurus (cattle) / Tissue: Heart / References: UniProt: P13272, quinol-cytochrome-c reductase
#6: Protein Cytochrome b-c1 complex subunit 7 / Complex III subunit 7 / Complex III subunit VII / QP-C / Ubiquinol-cytochrome c reductase complex ...Complex III subunit 7 / Complex III subunit VII / QP-C / Ubiquinol-cytochrome c reductase complex 14 kDa protein


Mass: 13502.387 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Bos taurus (cattle) / Tissue: Heart / References: UniProt: P00129
#7: Protein Cytochrome b-c1 complex subunit 8 / Complex III subunit 8 / Complex III subunit VIII / Ubiquinol-cytochrome c reductase complex 9.5 kDa ...Complex III subunit 8 / Complex III subunit VIII / Ubiquinol-cytochrome c reductase complex 9.5 kDa protein / Ubiquinol-cytochrome c reductase complex ubiquinone-binding protein QP-C


Mass: 9737.223 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Bos taurus (cattle) / References: UniProt: P13271
#8: Protein Cytochrome b-c1 complex subunit 6, mitochondrial / Complex III subunit 6 / Complex III subunit VIII / Cytochrome c1 non-heme 11 kDa protein / ...Complex III subunit 6 / Complex III subunit VIII / Cytochrome c1 non-heme 11 kDa protein / Mitochondrial hinge protein / Ubiquinol-cytochrome c reductase complex 11 kDa protein


Mass: 9189.116 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Bos taurus (cattle) / References: UniProt: P00126
#9: Protein Cytochrome b-c1 complex subunit 9 / Su9 / Subunit 9 / 8 kDa subunit 9 / Complex III subunit IX / Cytochrome b-c1 complex subunit 11 / ...Su9 / Subunit 9 / 8 kDa subunit 9 / Complex III subunit IX / Cytochrome b-c1 complex subunit 11 / UQCRFS1 mitochondrial targeting sequence / UQCRFS1 MTS / Ubiquinol-cytochrome c reductase 8 kDa protein


Mass: 5497.398 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Bos taurus (cattle) / References: UniProt: P13272
#10: Protein Cytochrome b-c1 complex subunit 9 / Complex III subunit 9 / Complex III subunit X / Cytochrome c1 non-heme 7 kDa protein / Ubiquinol- ...Complex III subunit 9 / Complex III subunit X / Cytochrome c1 non-heme 7 kDa protein / Ubiquinol-cytochrome c reductase complex 7.2 kDa protein


Mass: 7469.621 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Bos taurus (cattle) / Tissue: Heart / References: UniProt: P00130
#11: Protein/peptide Cytochrome b-c1 complex subunit 10 / Complex III subunit 10 / Complex III subunit XI / Ubiquinol-cytochrome c reductase complex 6.4 kDa protein


Mass: 5705.664 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Bos taurus (cattle) / Tissue: Heart / References: UniProt: P07552

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Protein , 2 types, 4 molecules CPDQ

#3: Protein Cytochrome b / Complex III subunit 3 / Complex III subunit III / Cytochrome b-c1 complex subunit 3 / Ubiquinol- ...Complex III subunit 3 / Complex III subunit III / Cytochrome b-c1 complex subunit 3 / Ubiquinol-cytochrome-c reductase complex cytochrome b subunit


Mass: 42620.340 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Bos taurus (cattle) / Tissue: Heart / References: UniProt: P00157
#4: Protein Cytochrome c1, heme protein, mitochondrial / Complex III subunit 4 / Complex III subunit IV / Cytochrome b-c1 complex subunit 4 / Ubiquinol- ...Complex III subunit 4 / Complex III subunit IV / Cytochrome b-c1 complex subunit 4 / Ubiquinol-cytochrome-c reductase complex cytochrome c1 subunit / Cytochrome c-1


Mass: 27323.277 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Bos taurus (cattle) / Tissue: Heart / References: UniProt: P00125, quinol-cytochrome-c reductase

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Non-polymers , 3 types, 8 molecules

#12: Chemical
ChemComp-HEM / PROTOPORPHYRIN IX CONTAINING FE / HEME


Mass: 616.487 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C34H32FeN4O4 / Feature type: SUBJECT OF INVESTIGATION
#13: Chemical ChemComp-HEC / HEME C


Mass: 618.503 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C34H34FeN4O4 / Feature type: SUBJECT OF INVESTIGATION
#14: Chemical ChemComp-FES / FE2/S2 (INORGANIC) CLUSTER


Mass: 175.820 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Fe2S2 / Feature type: SUBJECT OF INVESTIGATION

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Details

Has ligand of interestY

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Experimental details

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Experiment

ExperimentMethod: ELECTRON MICROSCOPY
EM experimentAggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction

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Sample preparation

ComponentName: Cytochrome bc1 complex (bos taurus) / Type: COMPLEX
Details: Cytochrome bc1 complex purified natively from bovine heart tissue
Entity ID: #1-#11 / Source: NATURAL
Molecular weightValue: 0.486 MDa / Experimental value: NO
Source (natural)Organism: Bos taurus (cattle)
Buffer solutionpH: 7.5
SpecimenConc.: 0.1 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
Details: Monodisperse sample was purified un-tagged from bovine heart tissue and reconstituted into peptidiscs before freezing.
Specimen supportGrid material: COPPER / Grid mesh size: 400 divisions/in. / Grid type: PELCO Ultrathin Carbon with Lacey Carbon
VitrificationInstrument: FEI VITROBOT MARK IV / Cryogen name: ETHANE / Humidity: 95 % / Chamber temperature: 277 K / Details: Blot time of 4s with blot force of -3

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Electron microscopy imaging

MicroscopyModel: TFS GLACIOS
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 200 kV / Illumination mode: FLOOD BEAM
Electron lensMode: BRIGHT FIELD / Nominal magnification: 85000 X / Calibrated magnification: 85000 X / Nominal defocus max: 2750 nm / Nominal defocus min: 500 nm / Calibrated defocus min: 500 nm / Calibrated defocus max: 2750 nm / Cs: 2.7 mm / C2 aperture diameter: 100 µm / Alignment procedure: COMA FREE
Specimen holderCryogen: NITROGEN / Specimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER / Temperature (max): 90.5 K / Temperature (min): 80 K / Residual tilt: 10 mradians
Image recordingAverage exposure time: 8 sec. / Electron dose: 40 e/Å2 / Film or detector model: FEI FALCON IV (4k x 4k) / Num. of real images: 3947
EM imaging opticsEnergyfilter name: TFS Selectris / Details: Tuned using TFS Sherpa Software / Energyfilter slit width: 10 eV / Phase plate: OTHER
Image scansSampling size: 1.416 µm / Width: 4000 / Height: 4000

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Processing

EM software
IDNameVersionCategory
1cryoSPARC4.0.0particle selection
2EPU9.03image acquisition
4cryoSPARC4.0.0CTF correction
7PHENIX1.20.1model fitting
9cryoSPARC4.0.0initial Euler assignment
10cryoSPARC4.0.0final Euler assignment
11cryoSPARC4.0.0classification
12cryoSPARC4.0.03D reconstruction
13PHENIX1.20.1model refinement
CTF correctionDetails: CryoSPARC's own CTF correction / Type: PHASE FLIPPING AND AMPLITUDE CORRECTION
Particle selectionNum. of particles selected: 154469
SymmetryPoint symmetry: C2 (2 fold cyclic)
3D reconstructionResolution: 3 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 140138 / Algorithm: FOURIER SPACE / Details: FSC calculated in PDB server. / Num. of class averages: 1 / Symmetry type: POINT
Atomic model buildingB value: 96.9 / Protocol: FLEXIBLE FIT
Atomic model buildingPDB-ID: 6FO2

6fo2


Accession code: 6FO2 / Source name: PDB / Type: experimental model

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